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23420041 = 113207257
BaseRepresentation
bin101100101010…
…1110010001001
31122001212020221
41121111302021
521443420131
62153550041
7403032001
oct131256211
948055227
1023420041
1112246907
127a15321
134b10018
143179001
1520c9411
hex1655c89

23420041 has 4 divisors (see below), whose sum is σ = 23627412. Its totient is φ = 23212672.

The previous prime is 23420039. The next prime is 23420069. The reversal of 23420041 is 14002432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6610041 + 16810000 = 2571^2 + 4100^2 .

It is a cyclic number.

It is not a de Polignac number, because 23420041 - 21 = 23420039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23419997 and 23420024.

It is not an unprimeable number, because it can be changed into a prime (23420021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103516 + ... + 103741.

It is an arithmetic number, because the mean of its divisors is an integer number (5906853).

Almost surely, 223420041 is an apocalyptic number.

It is an amenable number.

23420041 is a deficient number, since it is larger than the sum of its proper divisors (207371).

23420041 is a wasteful number, since it uses less digits than its factorization.

23420041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207370.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 23420041 is about 4839.4256890668. The cubic root of 23420041 is about 286.1074831964.

Adding to 23420041 its reverse (14002432), we get a palindrome (37422473).

The spelling of 23420041 in words is "twenty-three million, four hundred twenty thousand, forty-one".

Divisors: 1 113 207257 23420041